.bg-img {
    -webkit-filter: blur(10px);
    filter: blur(10px);
    height: 100%;
    left: 0;
    object-fit: cover;
    opacity: .25;
    position: fixed;
    top: 0;
    transform: scale(1.1);
    width: 100%;
    z-index: -1;
}

.tick {
    padding-bottom: 1em;
    font-size: 1rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.tick-label {
    font-size: .375em;
    text-align: center;
    color: rgba(255, 255, 255, .75);
}

.tick-group {
    margin: 0.25em;
    text-align: center;
}

.title {
    margin: .3em;
    font-size: .6em;
    text-align: center;
    color: rgba(255, 255, 255, .9);
}

.main {
    color: white;
    padding: 10%;
    background-color: rgba(255, 255, 255, 0.034);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    -moz-backdrop-filter: blur(10px);
    -ms-backdrop-filter: blur(10px);
    -o-backdrop-filter: blur(10px);

    position: absolute;
    left: 50%;
    /* 定位父级的50% */
    top: 30%;
    transform: translate(-50%, -50%);
    /*自己的50% */

    box-shadow: 0 0px 20px #feffa870;
}

body {
    cursor: default;
    width: 100%;
    height: 100%;
    margin: 0;
    /* background: linear-gradient(to bottom, #57c1eb 0%, #246fa8 100%); */
    position: relative;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    /* background-image: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%); */
}

footer {
    bottom: 0;
    color: rgba(255, 255, 255, .2);
    padding: 25px 20px;
    padding-left: calc(env(safe-area-inset-left) + 20px);
    padding-right: calc(env(safe-area-inset-right) + 20px);
    position: fixed;
    white-space: nowrap;
    width: 100%;
    display: block;
    box-shadow: 0 0px 20px #feffa870;
}

.translucent {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    -moz-backdrop-filter: blur(10px);
    -ms-backdrop-filter: blur(10px);
    -o-backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, .1);
    font-size: 14px;
}

* {
    box-sizing: border-box;
    outline: none;
    scrollbar-width: none;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color .25s;
}

.translucent a {
    cursor: pointer;
}

iframe {
    display: block;
    position: absolute;

    left: 50%;
    /* 定位父级的50% */
    bottom: 35%;
    transform: translate(-50%, -50%);
    /*自己的50% */
    opacity: 50%;
}

.translucent div {
    color: rgba(255, 255, 255, .5);
    position: absolute;
    left: 50%;
    /* 定位父级的50% */
    top: 50%;
    transform: translate(-50%, -50%);
    /*自己的50% */
}